{"data":{"id":"us-nyc/n.y.c.-admin.-code-27-854","jurisdiction":"us-nyc","citation":"N.Y.C. Admin. Code § 27-854","heading":"§ 27-854 General requirements.","body":"Chimneys or gas vents shall be designed and constructed so as to provide the necessary draft and capacity to completely exhaust the products of combustion to the outside air, and to satisfy the following conditions:\n\n(a) Temperature. The temperature on adjacent combustible surfaces shall not be raised above one hundred sixty degrees Fahrenheit.\n\n(b) Condensation. The condensation shall not be developed to an extent that can cause rapid deterioration of the chimney or vent.","path":["New York City Administrative Code","Title 27","Chapter 1: Building Code"],"source_url":"https://files.amlegal.com/pdffiles/NewYorkCity/Admin/XML.zip","current_through":"Local Law 2026/135 (enacted August 31, 2026)","vintage":"","retrieved_at":"2026-09-06T02:48:57Z","sha256":"696f253c2ca2c60cede818e8cafa0c98a764a885654a89cacd675800059e7480","source_id":"us-nyc","stale":false,"prev":"us-nyc/n.y.c.-admin.-code-27-853","next":"us-nyc/n.y.c.-admin.-code-27-855"},"notice":"GroundRules: Original legal text. Not legal advice."}